<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .cls{
            width: 500px;
        }
    </style>
    <link rel="stylesheet" href="jquery-ui-1.12.1.custom/jquery-ui.css"/>
    <script src="jquery-1.12.2.js"></script>
    <script src="jquery-ui-1.12.1.custom/jquery-ui.js"></script>
    <script>
       $(function () {
           $( "#slider" ).slider({
               range: true,
               values: [ 17, 67 ]
           });
       });
    </script>
</head>
<body>
<!-- Slider -->
<h2 class="demoHeaders">Slider</h2>
<div id="slider" class="cls"></div>
</body>
</html>